SOLUTION: twenty is 20% less than what number? thanks for the help!

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Question 5496: twenty is 20% less than what number?
thanks for the help!
Answer by Abbey(339) About Me  (Show Source):
You can put this solution on YOUR website!
set this up as a ratio:
20 is to some number as 80% is to 100%:
20%2Fx+-+80%2F100
then cross multiply
80x=2000
divide both sides by 80
x=25
This makes sense because 20 percent of 25 is 5